TRACOPOWER THM 20 WI 20W Isolated DC-DC Converter PCB Mount, Vin 9 → 75 V dc, Vout 12V dc, I/O isolation 5kV ac. Input Voltage Nominal: 48 V dc. Package: DIP. Application: Industrial, Medical. Width: 25.4mm. Length: 40.64mm. MPN: THM 20-4812WI